判断给定点是否在 CurveVector 上

判断给定点在否在 CurveVector 上可以使用下列方法:

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CurveVector curve;
Dpoint3d testPnt;
InOutClassification location = curve.PointInOnOutXY(testPnt);

// InOutClassification 的定义如下
public enum InOutClassification
{
Unknown,
In,
Out,
On
}